No.257 Jinshan District Popularity Ranking Shanghai No.6 Spectrometry Analysis No.6 Valves Manufacturing No.8 Machine Tools CNC Systems No.9 Nai Huo No.10 Globe Valves No.10 Jin Kou Balls Valve No.11 Qi Dong Die Valve No.11 Zhen Kong Die Valve No.11 Fa Lan Die Valve No.11 Wo Lun Die Valve No.13 Control Valves No.13 Ball Valves 市级专精特新中小企业 科技型中小企业 市科技型中小企业 高新技术企业 省级高新技术企业 省级创新型中小企业